Home / 2,318.16-3,477.60-1,085.68

Finding the Fourth Proportional to 2,318.16, 3,477.60 and 1,085.68

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Solution

The fourth proportional to 2,318.16, 3,477.60 and 1,085.68 is: 1,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.16 : 3,477.60 = 1,085.68 : x
  2. Step 2: Convert to fraction form
    2,318.16/3,477.60 = 1,085.68/x
  3. Step 3: Cross multiply
    2,318.16x = 3,477.60 × 1,085.68
  4. Step 4: Simplify right side
    2,318.16x = 3,775,560.77
  5. Step 5: Solve for x
    x = 3,775,560.77/2,318.16
  6. Step 6: Final answer
    x = 1,628.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.